258990

Appears in sequences

• Numbers m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,23.at n=23A064248
• Numbers k such that 1+k, 1+k^2, 1+k^4 and 1+k^16 are all prime.at n=7A188698
• Number of n X 3 0..1 arrays with every element equal to 1, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.at n=14A299583